Have you actually played the 3DS? It is quite clearly a phenomenal device, and it will certainly attract a massive following in the next few years.
3D Mario will reinvigorate the Mario series, just as Galaxy 1 did the same for 3D platformers in general.
Zelda motion control is enough to gain market interest, refining the technique in terms of menu navigation, etc, will be the real trick to pull off. I think Miyamoto has done it, judging from what we've seen thus far.
“When we make some new announcement and if there is no positive initial reaction from the market, I try to think of it as a good sign because that can be interpreted as people reacting to something groundbreaking. ...if the employees were always minding themselves to do whatever the market is requiring at any moment, and if they were always focusing on something we can sell right now for the short term, it would be very limiting. We are trying to think outside the box.” - Satoru Iwata - This is why corporate multinationals will never truly understand, or risk doing, what Nintendo does.
